838355391

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 1334155680

約数和(自身を除く): 495800289

約数列:

[1, 3, 9, 17, 43, 51, 61, 129, 153, 183, 387, 549, 731, 1037, 2089, 2193, 2623, 3111, 6267, 6579, 7869, 9333, 18801, 23607, 35513, 44591, 89827, 106539, 127429, 133773, 269481, 319617, 382287, 401319, 808443, 1146861, 1527059, 2166293, 4581177, 5479447, 6498879, 13743531, 16438341, 19496637, 49315023, 93150599, 279451797, 838355391]

約数ペア:

[(1, 838355391), (3, 279451797), (9, 93150599), (17, 49315023), (43, 19496637), (51, 16438341), (61, 13743531), (129, 6498879), (153, 5479447), (183, 4581177), (387, 2166293), (549, 1527059), (731, 1146861), (1037, 808443), (2089, 401319), (2193, 382287), (2623, 319617), (3111, 269481), (6267, 133773), (6579, 127429), (7869, 106539), (9333, 89827), (18801, 44591), (23607, 35513)]